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KVM: nVMX: additional checks on vmxon region

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Currently, the vmxon region isn't used in the nested case.
However, according to the spec, the vmxon instruction performs
additional sanity checks on this region and the associated
pointer. Modify emulated vmxon to better adhere to the spec
requirements

Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Bandan Das
2014-05-06 02:19:16 -04:00
committed by Paolo Bonzini
parent 19677e32fe
commit 3573e22cfe
2 changed files with 68 additions and 0 deletions
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arch/x86/kvm/cpuid.c
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@@ -732,6 +732,7 @@ int cpuid_maxphyaddr(struct kvm_vcpu *vcpu)
not_found:
return 36;
}
EXPORT_SYMBOL_GPL(cpuid_maxphyaddr);
/*
* If no match is found, check whether we exceed the vCPU's limit